Por una cabeza

Recording by Andrés Calamaro.

Recording identifiers

ISRC
ES5010600646
CopyrightID (CopyrightChains transaction hash)
0x89dcc2357642f7c7fa5ceac299f60f41f0ed1b75605b4f3a9a80b99e3a3250f2
Copyright registration time
2026-06-07T05:20:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:fcfe7aff9961daf2d879baeeb2c30dd2e92c13ac49b6a3827bb3ac6b913cb569

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.